public static Range showRangeDialog(String title, String header) {
final Range[] retVal = {null};
Dialog<Range> dialog = new Dialog<>();
dialog.setTitle(title);
dialog.setHeaderText(header);
IntegerProperty fromFieldProperty = new SimpleIntegerProperty(),
toFieldProperty = new SimpleIntegerProperty();
// dialog.setGraphic(new ImageView(this.getClass().getResource("login.png").toString()));
// Set the button types.
ButtonType generateButtonType =
new ButtonType(ResourceManager.getMessage("label.button.ok"), ButtonBar.ButtonData.OK_DONE);
dialog.getDialogPane().getButtonTypes().addAll(generateButtonType, ButtonType.CANCEL);
// Create the username and password labels and fields.
GridPane grid = new GridPane();
grid.setHgap(10);
grid.setVgap(10);
grid.setPadding(new Insets(20, 150, 10, 10));
TextField fromTextField = new TextField();
fromTextField.textProperty().bindBidirectional(fromFieldProperty, new NumberStringConverter());
TextField toTextField = new TextField();
toTextField.textProperty().bindBidirectional(toFieldProperty, new NumberStringConverter());
grid.add(new Label("From:"), 0, 0);
grid.add(fromTextField, 1, 0);
grid.add(new Label("To:"), 0, 1);
grid.add(toTextField, 1, 1);
// Enable/Disable login button depending on whether a username was entered.
Node loginButton = dialog.getDialogPane().lookupButton(generateButtonType);
loginButton.setDisable(true);
// Do some validation (using the Java 8 lambda syntax).
fromTextField
.textProperty()
.addListener(
(observable, oldValue, newValue) -> {
loginButton.setDisable(
newValue.trim().isEmpty()
|| toTextField.getText().trim().isEmpty()
|| Integer.valueOf(newValue.trim())
.compareTo(Integer.valueOf(toTextField.getText().trim()))
> 0);
});
toTextField
.textProperty()
.addListener(
(observable, oldValue, newValue) -> {
loginButton.setDisable(
fromTextField.getText().trim().isEmpty()
|| newValue.trim().isEmpty()
|| Integer.valueOf(fromTextField.getText().trim())
.compareTo(Integer.valueOf(newValue.trim()))
> 0);
});
dialog.getDialogPane().setContent(grid);
// Request focus on the username field by default.
Platform.runLater(() -> fromTextField.requestFocus());
// Convert the result to a username-password-pair when the login button is clicked.
dialog.setResultConverter(
dialogButton -> {
if (dialogButton == generateButtonType) {
return new IntegerRange(fromFieldProperty.get(), toFieldProperty.get());
}
return null;
});
Optional<Range> result = dialog.showAndWait();
result.ifPresent(range -> retVal[0] = range);
return retVal[0];
}
public boolean showAndWait() {
Optional<ButtonType> response = dialog.showAndWait();
response.filter(r -> r == ButtonType.CANCEL).ifPresent(r -> clearRecordingList());
response.filter(r -> r == ButtonType.OK).ifPresent(r -> clearCanceledRecordings());
return (response.isPresent() && response.get() == ButtonType.OK);
}